Mary of Lancaster

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ChartsAncestors of Adele La Force
Ancestors of Harriet Hanson Robinson
Mary of Lancaster, daughter of Sir Henry of Lancaster, Knt., Earl of Lancaster and Maud de Chaworth, was born in 1320.1 She died 1 September 1362,1 and was buried at Alnwick Abbey, Northumberland, England.1

Mary married Sir Henry de Percy, Knt., 3rd Lord Percy, son of Sir Henry de Percy, Knt., 2nd Lord Percy and Idoine de Clifford, about 4 September 1334.1


Sir Henry de Percy, Knt., 3rd Lord Percy b. bt 1322 - 1325, d. abt. 18 May 1368
This person was last edited on22 Jun 2019


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 4:350 (Percy 10), further cited as Richardson, Royal Ancestry.